diff --git a/plugins/woocommerce/changelog/43096-fix-16504-vendor-notes-deletion b/plugins/woocommerce/changelog/43096-fix-16504-vendor-notes-deletion
new file mode 100644
index 000000000000..bad5503ee37d
--- /dev/null
+++ b/plugins/woocommerce/changelog/43096-fix-16504-vendor-notes-deletion
@@ -0,0 +1,4 @@
+Significance: minor
+Type: dev
+
+Fix `is_read` value in Admin notes.
\ No newline at end of file
diff --git a/plugins/woocommerce/src/Admin/Notes/DataStore.php b/plugins/woocommerce/src/Admin/Notes/DataStore.php
index 1e7f735123dd..470cb3f30d3e 100644
--- a/plugins/woocommerce/src/Admin/Notes/DataStore.php
+++ b/plugins/woocommerce/src/Admin/Notes/DataStore.php
@@ -37,6 +37,7 @@ public function create( &$note ) {
 			'layout'       => $note->get_layout(),
 			'image'        => $note->get_image(),
 			'is_deleted'   => (int) $note->get_is_deleted(),
+			'is_read'      => (int) $note->get_is_read(),
 		);
 
 		$note_to_be_inserted['content_data']  = wp_json_encode( $note->get_content_data() );
@@ -109,7 +110,7 @@ public function read( &$note ) {
 			$note->set_source( $note_row->source );
 			$note->set_date_created( $note_row->date_created );
 			$note->set_date_reminder( $note_row->date_reminder );
-			$note->set_is_snoozable( $note_row->is_snoozable );
+			$note->set_is_snoozable( (bool) $note_row->is_snoozable );
 			$note->set_is_deleted( (bool) $note_row->is_deleted );
 			isset( $note_row->is_read ) && $note->set_is_read( (bool) $note_row->is_read );
 			$note->set_layout( $note_row->layout );
@@ -162,11 +163,11 @@ public function update( &$note ) {
 					'source'        => $note->get_source(),
 					'date_created'  => $date_created_to_db,
 					'date_reminder' => $date_reminder_to_db,
-					'is_snoozable'  => $note->get_is_snoozable(),
+					'is_snoozable'  => (int) $note->get_is_snoozable(),
 					'layout'        => $note->get_layout(),
 					'image'         => $note->get_image(),
-					'is_deleted'    => $note->get_is_deleted(),
-					'is_read'       => $note->get_is_read(),
+					'is_deleted'    => (int) $note->get_is_deleted(),
+					'is_read'       => (int) $note->get_is_read(),
 				),
 				array( 'note_id' => $note->get_id() )
 			);
diff --git a/plugins/woocommerce/src/Admin/Notes/Note.php b/plugins/woocommerce/src/Admin/Notes/Note.php
index 98995915cce3..8191b6aede7d 100644
--- a/plugins/woocommerce/src/Admin/Notes/Note.php
+++ b/plugins/woocommerce/src/Admin/Notes/Note.php
@@ -339,7 +339,7 @@ public function get_image( $context = 'view' ) {
 	 * Get deleted status.
 	 *
 	 * @param  string $context What the value is for. Valid values are 'view' and 'edit'.
-	 * @return array
+	 * @return bool
 	 */
 	public function get_is_deleted( $context = 'view' ) {
 		return $this->get_prop( 'is_deleted', $context );
@@ -349,7 +349,7 @@ public function get_is_deleted( $context = 'view' ) {
 	 * Get is_read status.
 	 *
 	 * @param  string $context What the value is for. Valid values are 'view' and 'edit'.
-	 * @return array
+	 * @return bool
 	 */
 	public function get_is_read( $context = 'view' ) {
 		return $this->get_prop( 'is_read', $context );
diff --git a/plugins/woocommerce/tests/legacy/unit-tests/woocommerce-admin/notes/class-wc-tests-notes-data-store.php b/plugins/woocommerce/tests/legacy/unit-tests/woocommerce-admin/notes/class-wc-tests-notes-data-store.php
index fd232e36aae0..4f8ae24bc455 100644
--- a/plugins/woocommerce/tests/legacy/unit-tests/woocommerce-admin/notes/class-wc-tests-notes-data-store.php
+++ b/plugins/woocommerce/tests/legacy/unit-tests/woocommerce-admin/notes/class-wc-tests-notes-data-store.php
@@ -45,7 +45,7 @@ public function test_read() {
 		$this->assertEquals( $note->get_type(), $read_note->get_type() );
 		$this->assertEquals( $note->get_name(), $read_note->get_name() );
 		$this->assertEquals( $note->get_source(), $read_note->get_source() );
-		$this->assertEquals( $note->get_is_snoozable(), '0' !== $read_note->get_is_snoozable() );
+		$this->assertEquals( $note->get_is_snoozable(), false !== $read_note->get_is_snoozable() );
 		$this->assertEquals( $note->get_layout(), $read_note->get_layout() );
 		$this->assertEquals( $note->get_image(), $read_note->get_image() );
 		$this->assertEquals( $note->get_actions(), $read_note->get_actions() );